Green’s Dictionary of Slang

(US) confused, mixed up.

1960		Mad mag. Sept. 30: Hey, how come ‘Gutsy’ Famisht didn’t come along on this job?
1982		L.C. Rosten Hooray for Yiddish 120: Farmisht . . mixed up. . . Confused; all balled up. ‘I’m so farmisht I don’t know whether I’m coming or going.’ .
1983		in DARE File.
2002		A. Borkowsky Amys Answering Machine 86: And what if you get all farmisht and leave the computer on the table at a diner?